Received-SPF: pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Tue, 29 Nov 2022 14:24:01 +0530
From:   "Ritesh Harjani (IBM)" <ritesh.list@gmail.com>
To:     Theodore Ts'o <tytso@mit.edu>
Cc:     Jan Kara <jack@suse.cz>, Baokun Li <libaokun1@huawei.com>,
        linux-ext4@vger.kernel.org, adilger.kernel@dilger.ca,
        lczerner@redhat.com, enwlinux@gmail.com,
        linux-kernel@vger.kernel.org, yi.zhang@huawei.com,
        yebin10@huawei.com, yukuai3@huawei.com
Subject: Re: [PATCH 2/2] ext4: add inode table check in __ext4_get_inode_loc
 to aovid possible infinite loop
Message-ID: <20221129085401.amqusrucv3h5ihq7@riteshh-domain>
References: <20220817132701.3015912-1-libaokun1@huawei.com>
 <20220817132701.3015912-3-libaokun1@huawei.com>
 <20220817143138.7krkxzoa3skruiyx@quack3>
 <20220818144353.q6cq3b7huwkopk5b@riteshh-domain>
 <Y4UdoyF6+oDI6w5P@mit.edu>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <Y4UdoyF6+oDI6w5P@mit.edu>
Precedence: bulk

On 22/11/28 03:44PM, Theodore Ts'o wrote:
> On Thu, Aug 18, 2022 at 08:13:53PM +0530, Ritesh Harjani (IBM) wrote:
> > Folding a small patch to implement the simple bound check. Is this the right
> > approach?
> >
> > From: "Ritesh Harjani (IBM)" <ritesh.list@gmail.com>
> > Date: Thu, 18 Aug 2022 07:53:58 -0500
> > Subject: [RFC] ext4: Add ext4_sb_getblk() wrapper for block bounds checking
> >
> > We might need more bounds checking on the block before calling sb_getblk().
> > This helper does that and if it is not valid then returns ERR_PTR(-EFSCORRUPTED)
> > Later we will need to carefully convert the callers to use ext4_sb_getblk()
> > instead of sb_getblk().
>
> Hey Ritesh,
>
> I was going through some old patches and came across this RFC patch.
> Have you had a chance to polish this up?  I don't think I've seen a
> newer version of this patch, but maybe I missed it.

Hello Ted,

Sorry, I guess I completely forgot about this, since around those dates
I was travelling. I will definitely try and get back to this once I finish
few ongoing things on my plate.

Thanks for bringing it up!

-ritesh